The ones who stayed knew He was not talking literal flesh and blood or at least trusted Him enough to know that He would never suggest something so against God’s laws. Those who actually thought He was talking about literal flesh and blood left. Even in the New Testament the Holy Spirit inspired Luke to write that we are not to ingest literal blood.
>>The Apostles thought the same thing, yet they stayed.<<
Prove it.
How about you prove they didn’t.